Export tickets to CSV

curl --request POST \
  --url https://core.api.ravenna.ai/api/tickets/export \
  --header 'Content-Type: application/json' \
  --header 'x-ravenna-api-token: <api-key>' \
  --data '{
  "tableViewId": "<string>",
  "filename": "<string>"
}'

{
  "csvContent": "<string>",
  "filename": "<string>",
  "recordCount": 123
}